Mechanics

WHILE DRIVING THE SPEEDOMETER FLUCTUATES

2002 Chevrolet Cavalier • 114,500 miles

Then drop to zero while braking, have to rev the engine for it to It's a 2.2 base model just started having the problem but does not do it everytime.
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Miked108
May 29, 2012.




The vehicle speed sensor may be at fault. A shop with a scan tool can verify the signal failure with the scan tool to rule out the dash failure.

Roy

ASEMaster6371
May 29, 2012.
YOU WILL NEED THE SPEED SENSOR CHECKED on the trans for output
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Cadieman
May 29, 2012.

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